let index_$li = $("main[class='main-content']").find("div[class='col-md-9']").find("div[class='slider']").find("ul[class='slides']").find("li");
let index_$latest_movie = $("div[class='row']").find("div[class='latest-movie']");
let index_$section_title = $("div[class='col-md-4']").find("h2[class='section-title']");
let  index_typeMap=new Map();
for(let i=0;i<index_$section_title.length;i++){
    let $h2 = index_$section_title.eq(i);
    let $li = $h2.parent().find("li");
    index_typeMap.set($h2.html(),$li.length);
}
let index_mapToString=mapToJSONString(index_typeMap);